diff options
Diffstat (limited to 'src/tools/rust-analyzer/xtask/src/release.rs')
| -rw-r--r-- | src/tools/rust-analyzer/xtask/src/release.rs | 175 |
1 files changed, 0 insertions, 175 deletions
diff --git a/src/tools/rust-analyzer/xtask/src/release.rs b/src/tools/rust-analyzer/xtask/src/release.rs index e41f4ceb435..d06a25c8929 100644 --- a/src/tools/rust-analyzer/xtask/src/release.rs +++ b/src/tools/rust-analyzer/xtask/src/release.rs @@ -1,12 +1,5 @@ mod changelog; -use std::process::{Command, Stdio}; -use std::thread; -use std::time::Duration; - -use anyhow::{Context as _, bail}; -use directories::ProjectDirs; -use stdx::JodChild; use xshell::{Shell, cmd}; use crate::{date_iso, flags, is_release_tag, project_root}; @@ -59,171 +52,3 @@ impl flags::Release { Ok(()) } } - -// git sync implementation adapted from https://github.com/rust-lang/miri/blob/62039ac/miri-script/src/commands.rs -impl flags::RustcPull { - pub(crate) fn run(self, sh: &Shell) -> anyhow::Result<()> { - sh.change_dir(project_root()); - let commit = self.commit.map(Result::Ok).unwrap_or_else(|| { - let rust_repo_head = - cmd!(sh, "git ls-remote https://github.com/rust-lang/rust/ HEAD").read()?; - rust_repo_head - .split_whitespace() - .next() - .map(|front| front.trim().to_owned()) - .ok_or_else(|| anyhow::format_err!("Could not obtain Rust repo HEAD from remote.")) - })?; - // Make sure the repo is clean. - if !cmd!(sh, "git status --untracked-files=no --porcelain").read()?.is_empty() { - bail!("working directory must be clean before running `cargo xtask pull`"); - } - // This should not add any new root commits. So count those before and after merging. - let num_roots = || -> anyhow::Result<u32> { - Ok(cmd!(sh, "git rev-list HEAD --max-parents=0 --count") - .read() - .context("failed to determine the number of root commits")? - .parse::<u32>()?) - }; - let num_roots_before = num_roots()?; - // Make sure josh is running. - let josh = start_josh()?; - - // Update rust-version file. As a separate commit, since making it part of - // the merge has confused the heck out of josh in the past. - // We pass `--no-verify` to avoid running any git hooks that might exist, - // in case they dirty the repository. - sh.write_file("rust-version", format!("{commit}\n"))?; - const PREPARING_COMMIT_MESSAGE: &str = "Preparing for merge from rust-lang/rust"; - cmd!(sh, "git commit rust-version --no-verify -m {PREPARING_COMMIT_MESSAGE}") - .run() - .context("FAILED to commit rust-version file, something went wrong")?; - - // Fetch given rustc commit. - cmd!(sh, "git fetch http://localhost:{JOSH_PORT}/rust-lang/rust.git@{commit}{JOSH_FILTER}.git") - .run() - .inspect_err(|_| { - // Try to un-do the previous `git commit`, to leave the repo in the state we found it it. - cmd!(sh, "git reset --hard HEAD^") - .run() - .expect("FAILED to clean up again after failed `git fetch`, sorry for that"); - }) - .context("FAILED to fetch new commits, something went wrong (committing the rust-version file has been undone)")?; - - // Merge the fetched commit. - const MERGE_COMMIT_MESSAGE: &str = "Merge from rust-lang/rust"; - cmd!(sh, "git merge FETCH_HEAD --no-verify --no-ff -m {MERGE_COMMIT_MESSAGE}") - .run() - .context("FAILED to merge new commits, something went wrong")?; - - // Check that the number of roots did not increase. - if num_roots()? != num_roots_before { - bail!("Josh created a new root commit. This is probably not the history you want."); - } - - drop(josh); - Ok(()) - } -} - -impl flags::RustcPush { - pub(crate) fn run(self, sh: &Shell) -> anyhow::Result<()> { - let branch = self.branch.as_deref().unwrap_or("sync-from-ra"); - let rust_path = self.rust_path; - let rust_fork = self.rust_fork; - - sh.change_dir(project_root()); - let base = sh.read_file("rust-version")?.trim().to_owned(); - // Make sure the repo is clean. - if !cmd!(sh, "git status --untracked-files=no --porcelain").read()?.is_empty() { - bail!("working directory must be clean before running `cargo xtask push`"); - } - // Make sure josh is running. - let josh = start_josh()?; - - // Find a repo we can do our preparation in. - sh.change_dir(rust_path); - - // Prepare the branch. Pushing works much better if we use as base exactly - // the commit that we pulled from last time, so we use the `rust-version` - // file to find out which commit that would be. - println!("Preparing {rust_fork} (base: {base})..."); - if cmd!(sh, "git fetch https://github.com/{rust_fork} {branch}") - .ignore_stderr() - .read() - .is_ok() - { - bail!( - "The branch `{branch}` seems to already exist in `https://github.com/{rust_fork}`. Please delete it and try again." - ); - } - cmd!(sh, "git fetch https://github.com/rust-lang/rust {base}").run()?; - cmd!(sh, "git push https://github.com/{rust_fork} {base}:refs/heads/{branch}") - .ignore_stdout() - .ignore_stderr() // silence the "create GitHub PR" message - .run()?; - println!(); - - // Do the actual push. - sh.change_dir(project_root()); - println!("Pushing rust-analyzer changes..."); - cmd!( - sh, - "git push http://localhost:{JOSH_PORT}/{rust_fork}.git{JOSH_FILTER}.git HEAD:{branch}" - ) - .run()?; - println!(); - - // Do a round-trip check to make sure the push worked as expected. - cmd!( - sh, - "git fetch http://localhost:{JOSH_PORT}/{rust_fork}.git{JOSH_FILTER}.git {branch}" - ) - .ignore_stderr() - .read()?; - let head = cmd!(sh, "git rev-parse HEAD").read()?; - let fetch_head = cmd!(sh, "git rev-parse FETCH_HEAD").read()?; - if head != fetch_head { - bail!( - "Josh created a non-roundtrip push! Do NOT merge this into rustc!\n\ - Expected {head}, got {fetch_head}." - ); - } - println!( - "Confirmed that the push round-trips back to rust-analyzer properly. Please create a rustc PR:" - ); - // https://github.com/github-linguist/linguist/compare/master...octocat:linguist:master - let fork_path = rust_fork.replace('/', ":"); - println!( - " https://github.com/rust-lang/rust/compare/{fork_path}:{branch}?quick_pull=1&title=Subtree+update+of+rust-analyzer&body=r?+@ghost" - ); - - drop(josh); - Ok(()) - } -} - -/// Used for rustc syncs. -const JOSH_FILTER: &str = ":rev(55d9a533b309119c8acd13061581b43ae8840823:prefix=src/tools/rust-analyzer):/src/tools/rust-analyzer"; -const JOSH_PORT: &str = "42042"; - -fn start_josh() -> anyhow::Result<impl Drop> { - // Determine cache directory. - let local_dir = { - let user_dirs = ProjectDirs::from("org", "rust-lang", "rust-analyzer-josh").unwrap(); - user_dirs.cache_dir().to_owned() - }; - - // Start josh, silencing its output. - let mut cmd = Command::new("josh-proxy"); - cmd.arg("--local").arg(local_dir); - cmd.arg("--remote").arg("https://github.com"); - cmd.arg("--port").arg(JOSH_PORT); - cmd.arg("--no-background"); - cmd.stdout(Stdio::null()); - cmd.stderr(Stdio::null()); - let josh = cmd.spawn().context("failed to start josh-proxy, make sure it is installed")?; - // Give it some time so hopefully the port is open. (100ms was not enough.) - thread::sleep(Duration::from_millis(200)); - - Ok(JodChild(josh)) -} |
